Page 17 - Math;Extra steps: book 1c
P. 17

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                          Tower differences'




                     Make red an.d bLue towers.
                                                                                   Th.e

                                                                                   difference    LS
                               IT]                 ~IT]                      ~CD

                                                                                      2




                                                         CD




                               ~                                             ~

                               IT]                       CD                        D







                               CD                        ~                         D







                               0                         0                         D









                     You choose.                                                   Th.e
                                                                                   difference    LS
                                                        D                          D







                              D                         D                          D







                              D                         D                          D








                  Wh.at if th.e two towers are th.e same heiqht - wh.at's the difference th.en.?
                                             1:31 Difference  0 - 10
                    Date                     FLrLdLrLg numerical  differences,  USLrLg numbers to at least 10.
   12   13   14   15   16   17   18   19   20   21   22